15415213132663 has 4 divisors (see below), whose sum is σ = 15415445038248. Its totient is φ = 15414981227080.

The previous prime is 15415213132621. The next prime is 15415213132667. The reversal of 15415213132663 is 36623131251451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15415213132663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15415213132667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115853056 + ... + 115986037.

It is an arithmetic number, because the mean of its divisors is an integer number (3853861259562).

Almost surely, 2^{15415213132663} is an apocalyptic number.

15415213132663 is a deficient number, since it is larger than the sum of its proper divisors (231905585).

15415213132663 is an equidigital number, since it uses as much as digits as its factorization.

15415213132663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231905584.

The product of its digits is 388800, while the sum is 43.

The spelling of 15415213132663 in words is "fifteen trillion, four hundred fifteen billion, two hundred thirteen million, one hundred thirty-two thousand, six hundred sixty-three".